Utility knife



FIG. 1 is a front view of a utility knife showing my new design;

FIG. 2 is a bottom view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is a perspective view thereof showing a status when the utilityknife is open.

The broken lines are for illustrative purposes only and form no part ofthe claimed design.

The ornamental design for the utility knife, as shown and described.